Sony HCD-DZ7T Service Manual ▷ View online
6
HCD-DZ7T
Copyrights
This product incorporates copyright protection technology that is
protected by U.S. patents and other intellectual property rights. Use
of this copyright protection technology must be authorized by
Macrovision, and is intended for home and other limited viewing
uses only unless otherwise authorized by Macrovision. Reverse
engineering or disassembly is prohibited.
protected by U.S. patents and other intellectual property rights. Use
of this copyright protection technology must be authorized by
Macrovision, and is intended for home and other limited viewing
uses only unless otherwise authorized by Macrovision. Reverse
engineering or disassembly is prohibited.
This system incorporates with Dolby* Digital and Dolby Pro Logic
(II) adaptive matrix surround decoder and the DTS** Digital
Surround System.
(II) adaptive matrix surround decoder and the DTS** Digital
Surround System.
*
Manufactured under license from Dolby Laboratories.
“Dolby”, “Pro Logic”, and the double-D symbol are
trademarks of Dolby Laboratories.
“Dolby”, “Pro Logic”, and the double-D symbol are
trademarks of Dolby Laboratories.
** Manufactured under license from DTS, Inc.
“DTS” and “DTS Digital Surround” are registered trademarks
of DTS, Inc.
of DTS, Inc.
Notes about CD-R/CD-RW/DVD-R/DVD-RW/DVD+R/
DVD+RW
DVD+RW
In some cases, CD-R/CD-RW/DVD-R/DVD-RW/DVD+R/
DVD+RW cannot be played on this system due to the recording
quality or physical condition of the disc, or the characteristics of
the recording device and authoring software.
The disc will not play if it has not been correctly finalized. For
more information, see the operating instructions for the recording
device.
Note that some playback functions may not work with some
DVD+RWs/DVD+Rs, even if they have been correctly finalized. In
this case, view the disc by normal playback. Also some DATA CDs/
DATA DVDs created in Packet Write format cannot be played.
DVD+RW cannot be played on this system due to the recording
quality or physical condition of the disc, or the characteristics of
the recording device and authoring software.
The disc will not play if it has not been correctly finalized. For
more information, see the operating instructions for the recording
device.
Note that some playback functions may not work with some
DVD+RWs/DVD+Rs, even if they have been correctly finalized. In
this case, view the disc by normal playback. Also some DATA CDs/
DATA DVDs created in Packet Write format cannot be played.
Peel off the seal and so the lever is moved
in the direction of the arrow with the thin rod.
in the direction of the arrow with the thin rod.
How to open the disc table when power switch turns off
Insert a tapering driver into the aperture of the unit bottom, and slide it in the direction of the arrow.
seal
disc tray
7
HCD-DZ7T
Discharge the charged electricity in capacitors to prevent electric shock as follows
When disassembling the machine, be sure to discharge the charged electricity in the following capacitors.
Use a resistor of 800 ohms, 2 Watts for discharging the following capacitors.
Use a resistor of 800 ohms, 2 Watts for discharging the following capacitors.
POWER board
C903: 440 V (EXCEPT MX) / 240 V (MX)
C932, C933, C934, CN904: 30 V
C903: 440 V (EXCEPT MX) / 240 V (MX)
C932, C933, C934, CN904: 30 V
MAIN board
CN3002: 30 V
CN3002: 30 V
Point of capacitor discharge for C932, C933, C934:
Connect to the red and black wire of CN904
Point of capacitor discharge for C903:
Connect to the foot of CN903
800
Ω
/2W
MAIN board service position
Please take the above-mentioned position in the repair of MAIN board.
In that case, it is necessary the following extension cable during CN304 on IO-S-OUT board and CN4302 on MAIN board .
In that case, it is necessary the following extension cable during CN304 on IO-S-OUT board and CN4302 on MAIN board .
jig P/N: J-2501-242-A
(pitch 1.00 mm/11p/length 300 mm)
(pitch 1.00 mm/11p/length 300 mm)
CN304
jig
MAIN board service position
CN4302
•
Abbreviation
MX : Mexican model
MX : Mexican model
Ver. 1.1
8
HCD-DZ7T
Parts that require fixing using adhesive agent
The following parts on the POWER board must be fixed by using the adhesive agent (such as Sony Bond Master) as it is specified by Safety
Regulations. When any part or printed circuit board is replaced during repair work, be sure to confirm that the following capacitors and resistors
are fixed by using the adhesive agent (such as Sony Bond Master) without fail.
Regulations. When any part or printed circuit board is replaced during repair work, be sure to confirm that the following capacitors and resistors
are fixed by using the adhesive agent (such as Sony Bond Master) without fail.
POWER board : • C924 and R927 (refer to below fig.)
• C913 (Push down to C903 side and so fix.)
• C910 and C930 (refer to below fig.)
• EB905 side of C903
• EB905 side of C934
• C964 and C963 (refer to below fig.)
• Space between C933 and C932
• C908 and Q901 (Don’t touch IC901.)
• C910 and C930 (refer to below fig.)
• EB905 side of C903
• EB905 side of C934
• C964 and C963 (refer to below fig.)
• Space between C933 and C932
• C908 and Q901 (Don’t touch IC901.)
OK:more than 3.5mm
NG:less than 3.5mm
OK:more than 8mm
NG:less than 8mm
OK:more than 8mm
NG:less than 8mm
Don't incline C924 to outside.
POWER BOARD
C910
C924
R927
C930
C964
C963
Attention of the direction at replacement
Please defend and install the direction of the below fig in the following parts on the POWER board.
LF902
LF901
R912
R912
POWER BOARD
L931
mark this side
OK
NG
9
HCD-DZ7T
Precaution when installing a new OP unit /
Precaution before unsoldering the static electricity
prevention solder bridge
Precaution before unsoldering the static electricity
prevention solder bridge
When installing a new OP unit, be sure to connect the flexible
printed circuit board first of all before removing the static
electricity prevention solder bridge by unsoldering.
Remove the static electricity prevention solder bridge by
unsoldering after the flexible printed circuit board has already
been connected.
(Do not remove nor unsolder the solder bridge as long as the
OP unit is kept standalone.)
printed circuit board first of all before removing the static
electricity prevention solder bridge by unsoldering.
Remove the static electricity prevention solder bridge by
unsoldering after the flexible printed circuit board has already
been connected.
(Do not remove nor unsolder the solder bridge as long as the
OP unit is kept standalone.)
Note on replacement of C803, C802, L801,
and L802
and L802
Please fold in the directtion of the arrow and set up at
replacement of C803, C802, L801, and L802 on FL board.
L801
L802
C803
+
–
Note on C471 and C411 on JACK board
Bend C411 and keep the distance as shown. (Fig.-1)
Confirm C471 standing straightly. (Fig.-2)
Confirm C471 standing straightly. (Fig.-2)
Distance between the C411
top and bottom:
OK: 2 mm
top and bottom:
OK: 2 mm
±
1 mm
P-SW BOARD
JACK BOARD
JACK board
CN806
C411
J401
C471
C471
C411
J401
Fig.-2
Fig.-1
TERMINAL side
OK
NG
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